Shiiba Gaku has transferred to Kushima High School which is called ‘Windmill’ because of the windmill monument on its rooftop. His ambition is to get to the top of the school. Bad boys like Tobe, the leader of Hydra, a gang of delinquents; and Shiro, rumoured to be the strongest of the first year students, crowd the school grounds. Gaku immediately picks a fight with Shake who now reigns atop the windmill, but is cut off by students who demand that he defeat them first if he wants to take on Shake. There are those that falter at the sight of the wild look in Shiiba’s glare. However, someone lands a punch on Shiiba’s face. His nose bleeds and he goes out cold. Even the school beauty Suwa Haruka is stunned by Shiiba’s loss. On his first day, Shiiba meets first year student Marumo Taiji. Marumo is disinterested in fighting and asks Shiiba, who has been provoking but losing successive fights, if there is meaning in competing for the top. A brutal Oga intends to crush Marumo at his part-time job. At that moment, Shiiba challenges Oga to a fight too …

Suzaku Kanade is the scion of the Suzaku Group who is a bilingual "straight A" student with good looks and great athletic abilities. He is deemed a "celebrity prince" with graceful manners. One day, through his father's introduction, Kanade meets "bad boy prince" Kyogoku Takato who is a charismatic figure among the bad boys in the downtown area. Kanade and Takato who live in completely different worlds and have totally opposite personality start to compete for an "important thing". However, Takato's little brother Kyogoku Ryu, student-union president prince Ayanokoji Aoi, dance prince Red - Tendo Koki, teacher prince Yuki Riichi, and beautician prince Sagasawa Haru also join the competition...

A mysterious pandemic has broken out at Narita Airport and the city is overrun with zombies. Riri Mizukami, a second-year high-school student and member of the softball club, is rescued by Tokyo Uni student Shōtarō Kashiwa and wakes up in a shopping mall, which is not an official evacuation shelter. Riri and her new friends Renren, Shizuku Murahama, Jin Irie, Beast Kashimoto, Sana Mogami, and Ryō Hirasaka have escaped and are living a "special" life.

With the first place in a university business competition and a father running a time-honored leather bag store, Yusuke Tsuruta is in the "outstanding" category among university students. After graduation, Yusuke decides to start a business with his classmate Kengo Sato. After declaring that "Company is not school!", he works hard every day to make his business successful.

Mishima Kanji is a reporter for the Weekly Times, which mainly deals with gossip. He feels a sense of emptiness and discomfort as he spends his days chasing celebrity scandals, without a shred of the journalistic spirit he aspired to. One day, Mishima goes to Amagasaki to pick up a certain person under the direction of chief editor Nagasawa Asuka. Nagasawa sends him off as a chance to fulfill Mishima's former wish to "see a world you wouldn't see if you lived a normal life", but what awaits him is Keijiro Kihara, a man who is now a renowned figure in all areas of the underworld, politics, and entertainment, as well as an urban legend among informers, known as "Informer".

In this sequel to Police and Prosecutor, Nakaido, the passionate gymnastic-teacher-turned-police-detective, is still eager to arrest criminals by all means and be appreciated by victims. He plunges into cases without any care for compliance issues.

Through the introduction of his friend Danma Ryuji, Onizuka Eikichi, the former legendary bike gang member, visits Meishu Academy to tend to the trees in the garden as a part-time gardener. Learning that Yoshikawa Noboru, a student in teacher Fuyutsuki Azusa’s class is being bullied by Uehara Kyoko and other classmates, Onizuka befriends and saves Yoshikawa. Seeing Onizuka’s unprecedented but visceral, powerful response to problem solving, the school’s president and principal, Sakurai Yoshiko, overrides resistance from her vice principal Uchiyamada Hiroshi and makes Onizuka a teacher. Onizuka goes on to tackle many issues as the teacher in charge of the most problematic class, Class 2-4.